Courtney Collins, a resilient mother desperate to protect her young twins, Dylan and Zach, flees from her abusive, estranged husband, Clint. Seeking refuge in a secluded, dilapidated rural house adjacent to a deconsecrated church, Courtney remains unaware of the horrific tragedy that occurred on the property. Meanwhile, former Deputy Soos—now a private investigator obsessed with destroying the supernatural entity Bughuul, known as Mr. Boogie—tracks down the house. Armed with knowledge from his previous investigations, Soos attempts to burn the residence down to break the lethal chain of ritualistic child murders, but he arrives too late, as the family has already moved in.Within the decaying walls, Dylan becomes plagued by terrifying nighttime visions. The ghosts of murdered children appear to him, forcing him to watch grotesque, amateur home movies depicting brutal family exterminations, orchestrated by Bughuul himself. These spirits claim they are playing a game called "Kill Movie," and pressure Dylan to choose a film and document his own family's demise. Unbeknownst to Courtney, the gentle, artistic Dylan is being psychologically groomed by the entity, who feeds on the immense terror and corruption of innocent souls.As the days pass, the tension escalates when Zach, feeling increasingly neglected by his mother and jealous of Dylan's secret world, begins acting out. Meanwhile, the abusive Clint tracks Courtney down. Believing he can legally reclaim his family, Clint threatens Courtney and brandishes a weapon, unaware that he has walked straight into a supernatural trap.Dylan’s condition deteriorates rapidly as he falls completely under Bughuul’s hypnotic influence. Encouraged by the phantom children, Dylan selects the ultimate snuff film project starring his own household. When Clint arrives at the house to assert dominance and terrorize Courtney once more, the sinister children intervene. They ambush Clint, binding and gagging him in the barn. With the help of his spectral peers, a hypnotized Dylan sets up a vintage 16mm camera. In a horrifying subversion of justice, Dylan films the brutal execution of his
abusive father, capturing the final snuff film required by Bughuul to claim Dylan's soul.Soos arrives just in time to rescue Courtney and Zach from the fiery aftermath, narrowly escaping the property before the supernatural trap closes entirely. They drive away into the safety of dawn, believing
the nightmare has finally ended. However, in the film's chilling final moments, Dylan remains deeply altered. Back in his new bedroom, the radio suddenly turns on by itself, and Bughuul’s terrifying visage flashes across the screen, revealing that the entity's dark harvest is far from over and the demonic cycle continues.